[http://humdi.net/vnstat/ vnStat] is a lightweight network traffic monitor. It keeps a network traffic log on selectable interfaces. Through the command line the network traffic statistics can be shown.

[http://humdi.net/vnstat/ vnStat] is a lightweight network traffic monitor. It keeps a network traffic log on selectable interfaces. Through the command line the network traffic statistics can be shown.

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==Installation==

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The {{Pkg|vnStat}} package is available in [community]:

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== Installation ==

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# pacman -S vnstat

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==Configuration==

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[[pacman|Install]] {{Pkg|vnStat}} from the [[official repositories]].

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===Setting the interfaces===

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== Configuration ==

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=== Setting the interfaces ===

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First introduce every interface that needs to be logged to vnStat. For example a wired interface:

First introduce every interface that needs to be logged to vnStat. For example a wired interface:

# vnstat -u -i eth0

# vnstat -u -i eth0

Line 14:

Line 18:

When introducing an interface for the first time there will be an error message saying 'unable to read database'. If this message is followed by an info message saying 'a new database has been created' the interface is successfully introduced. If this is not the case check that the specified interface is valid.

When introducing an interface for the first time there will be an error message saying 'unable to read database'. If this message is followed by an info message saying 'a new database has been created' the interface is successfully introduced. If this is not the case check that the specified interface is valid.

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===Updating method===

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=== Updating method ===

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After introducing the interface(s) set one of the update methods.

After introducing the interface(s) set one of the update methods.

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{{Warning| Only use one of the methods, do not use them both at the same time!}}

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{{Warning| Only use one of the methods, do not use them at the same time!}}

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====Cron====

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==== Cron ====

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The first method is using [[Cron]]. A sample of Cron usage is provided with vnStat at {{ic|/usr/share/doc/vnstat/examples/vnstat.cron}}.

The first method is using [[Cron]]. A sample of Cron usage is provided with vnStat at {{ic|/usr/share/doc/vnstat/examples/vnstat.cron}}.

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====Daemon====

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The second way of updating is using a daemon provided by vnStat. Add vnstat to your daemons in [[rc.conf#Daemons]].

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DAEMONS=(... network vnstat ...)

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===Global settings===

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==== Service ====

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The second way is using [[systemd]] (and the provided service):

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# systemctl start vnstat.service

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=== Global settings ===

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Other settings, like settings to control the daemon, can be done in {{ic|/etc/vnstat.conf}}.

Other settings, like settings to control the daemon, can be done in {{ic|/etc/vnstat.conf}}.

Contents

Installation

Configuration

Setting the interfaces

First introduce every interface that needs to be logged to vnStat. For example a wired interface:

# vnstat -u -i eth0

Or a wireless interface:

# vnstat -u -i wlan0

When introducing an interface for the first time there will be an error message saying 'unable to read database'. If this message is followed by an info message saying 'a new database has been created' the interface is successfully introduced. If this is not the case check that the specified interface is valid.

Updating method

After introducing the interface(s) set one of the update methods.

Warning: Only use one of the methods, do not use them at the same time!

Cron

The first method is using Cron. A sample of Cron usage is provided with vnStat at /usr/share/doc/vnstat/examples/vnstat.cron.